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Slag recycling in submerged arc welding and its influence

11-10-2007· Abstract. Slag generated during conventional submerged arc welding (SAW) has been recycled by mixing varying percentages of crushed slag with fresh flux to use in subsequent runs. The influence of using flux-slag mixture on various aspects of SAW weld parameters of bead geometry have been investigated in a quantitative basis.

Slag Recycling in Submerged Arc Welding and its Influence

Slag generated during submerged arc welding has been recycled by replenishing it with suitable alloying elements and deoxidizers and by agglomeration process. This recycled slag in combination with EL-8 filler wire was used in these investigations. Desired chemistry of weld metal was obtained. It was further observed that the chemical composition of weld metal prepared using recycled slag is within the

Slag recycling in submerged arc welding and its effects on

15-10-2016· Flux used in submerged arc welding/cladding gets converted to slag, which is a waste and is needed to be disposed off safely. The quantity of slag produced during the process is very high. Being non-biodegradable it does not decay with time, thus causing environmental pollution.

Slag recycling in submerged arc welding and its influence

Slag recycling in submerged arc welding and its influence on weld quality leading to parametric optimization October 2008 The International Journal of Advanced Manufacturing Technology 39(3):229-238

Slag Recycling in Submerged Arc Welding and its Influence

Slag generated during submerged arc welding has been recycled by replenishing it with suitable alloying elements and deoxidizers and by agglomeration process. This recycled slag in combination with EL-8 filler wire was used in these investigations. Desired chemistry of weld metal was obtained.

Slag recycling in submerged arc welding and its effects on

Submerged arc welding (SAW) slag is recycled by taking the fused part of the slag after welding and processing it in a manner that allows it to be reused for the same SAW operation.

Slag Recycling In Submerged Arc Welding And Its Influence

Slag Recycling in Submerged Arc Welding and its Influence on composition of weld metal prepared using recycled slag is within Read more Economics of recycling Submerged Arc Welding slag as a Flux

Slag recycling in submerged arc welding and its influence

Slag recycling in submerged arc welding and its influence on weld quality leading to parametric optimization. Autores: S. Datta , A. Bandyopadhyay , P.K. Pal Localización: International journal of advanced manufacturing technology , ISSN 0268-3768, Vol. 39, Nº. 3-4, 2008 , págs. 229-238

Recycling of slag to act as a flux in submerged arc welding

01-08-2009· It is not possible to stop the generation of slag because it is a by-product of the process but slag can be reused as a flux in the same submerged arc welding process. Wastivity can be decreased by recycling the slag thus resulting in higher productivity. Furthermore, the slag can be processed according to one's requirements and applications. 2.

Some Feasibility Studies for Recycling of Steel Slag as a

S. Datta, A. Bandyopadhyay and P. K. Pal, Slag recycling in submerged arc welding and its influence on weld quality leading to parametric optimization, The International Journal of Advanced Manufacturing Technology 39(34) (2008) 229238. Crossref, ISI, Google Scholar; 16. S.

Slag recycling in submerged arc welding and its

Slag recycling in submerged arc welding and its influence on weld quality leading to parametric optimization. Autores: S. Datta , A. Bandyopadhyay , P.K. Pal Localización: International journal of advanced manufacturing technology , ISSN 0268-3768, Vol. 39, Nº. 3-4, 2008 , págs. 229-238

Waste to Wealth: Reuse of Slag as a Flux in Submerged Arc

Key Words: Submerged arc welding, Slag, Flux, Recycling, Chemistry, Weld metal. INTRODUCTION Since the development of the submerged arc welding process (SAW) there have been attempts by technologists and researchers to increase its productivity and to decrease the welding cost. Flux contributes a major part towards welding cost in submerged arc

Recycling SAW Slag Proves Reliable & Repeatable -

Submerged arc welding slag recy­cling programs should not be entered into without testing to prove the recy­cled product will have no detrimental effect on the weld deposit. Welding fabricators must evaluate the test results, choice of new flux, and make a commitment to keep contami­nants out of the slag

Slag-Metal Reactions during Welding: Part II. Theory

data from submerged arc welding (SAW). It is proposed that chemical interaction between the slag and the metal occurs in three zones, as indicated in Figure 1: (1) the zone of droplet reactions, (2) the zone of dilution and weld pool reactions, and (3) the zone of cooling and solidifying weld pool. 11. ZONE OF DROPLET REACTIONS

WELDING RESEARCH Slag/Metal Interaction, Oxygen and

Sponsored by the American Welding Society and the Welding Research Council li II j Slag/Metal Interaction, Oxygen and Toughness in Submerged Arc Welding Fused fluxes containing 45% CaF2/ 35% Al203 and 20% CaO yield less oxygen in the weld deposit than do agglomerated fluxes with the same constituents,

Submerged Arc Welding - idc-online.com

arc weld pool solidified weld slag Fig. 13.1 Schematic of submerged arc welding system 13.2.1 Power source Generally, submerged arc welding process uses power source at 100 % duty cycle; which means that the welding is done continuously for minimum 5 min without a break or more. Depending upon the electrode diameter, type of flux and

(PDF) Influence of Slag-Flux Mixture on the Properties

Submerged arc welding (SAW) is one of the most versatile welding processes. All steel grades, from non- to high alloyed, including Ni-based alloys, can be welded with a combination of various

Submerged Arc Welding (SAW) - Weld Guru

12-12-2019· The weld is submerged under this layer of flux and slag, hence the name submerged arc welding. The flux and slag normally cover the arc so that it is not visible. The unmelted portion of the flux can be reused. The electrode is fed into the arc automatically from a coil. The arc is maintained automatically. Travel can be manual or by machine.

Defects / Imperfections in Welds - Slag Inclusions - TWI

Slag is normally seen as elongated lines either continuous or discontinuous along the length of the weld. This is readily identified in a radiograph, Fig 1. Slag inclusions are usually associated with the flux processes, ie MMA, FCA and submerged arc, but they can also occur in MIG welding.

Some Feasibility Studies for Recycling of Steel Slag as a

S. Datta, A. Bandyopadhyay and P. K. Pal, Slag recycling in submerged arc welding and its influence on weld quality leading to parametric optimization, The International Journal of Advanced Manufacturing Technology 39(34) (2008) 229238. Crossref, ISI, Google Scholar; 16. S.